ges may thus be photographed one under the other, so summit of the cup is provided with a metal point which en- that the coincidence of corresponding lines may be rigor- ters a shallow indentation in a ball, O. The ball is main- ously compared. During day time sunlight is used instead tained in… … THE EARTHQUAKE IKDIOATOR. The novel arrangement of a refrigerator for butchers' use, which is supported by the standard, D C, and adjusted by represented in our illustration, ^vill perhaps be found con- the screw, F. venient in that it admits of economizing space in a shop, To set the apparatus, it…
Patents · Iron · Boiler · Water · Improved · Inches · Cast Iron · Consists · Sewing machine · Latch bolt · Scientific American · Feet long · Rapid transit · Sir john · Improved car · Underground roads · Great number
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